Maurice Tutor

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Category > Management Posted 11 Feb 2018 My Price 6.00

tourist-class passenger

The mean weight of luggage checked by a randomly selected tourist-class passenger flying between two cities on a certain airline is 40 lb, and the standard deviation is 10 lb. The mean and standard deviation for a businessclass passenger are 30 lb and 6 lb, respectively.

a. If there are 12 business-class passengers and 50 tourist-class passengers on a particular flight, what are the expected value of total luggage weight and the standard deviation of total luggage weight?

b. If individual luggage weights are independent, normally distributed rv’s, what is the probability that total luggage weight is at most 2500 lb?

Answers

Maurice Tutor
(5)
Status NEW Posted 11 Feb 2018 03:02 PM My Price 6.00

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